The old Clovis-first theory no longer fits the growing evidence for much earlier human activity in the Americas. This overview compares some of the oldest sites now discussed in the debate, including ...

Debate has long surrounded when humans first traveled into Sahul, the ancient landmass that is now Australia, New Guinea and Tasmania. Now, a study published in Science Advances, lends credence to the ...

Early humans : of whom do we speak? / Richard E. Leakey -- Homo habilis - a premature discovery : remembered by one of its founding fathers, 42 years later / Phillip V. Tobias -- Where does the genus ...

Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics. Until now, researchers assumed that the first humans originated in Africa and ...